Department of Mathematical Sciences, University of Oulu, P.O. Box 3000, 90014 Oulu, Finland
Academic Editor: Mohamed A. Khamsi
Copyright © 2010 S. Heikkilä. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
We use chain methods to prove fixed point results for maximalizing mappings in posets. Concrete examples are also presented.